Abbreviated record for specimen 15899 Basic Information Determination: Neuropteris desori Lesquereux Previously: none Type Status: Figured In: Darrah, 1969, p. 30Langford, 1958, p. 214, fig. 374 Locality: Will County, Illinois Geologic Unit: Francis Creek Shale Additional Information Images: medium (150 dpi, 100.4KB)large (600 dpi, image not available) Catalog Data: show full record